9825913 has 2 divisors, whose sum is σ = 9825914. Its totient is φ = 9825912.

The previous prime is 9825901. The next prime is 9825929. The reversal of 9825913 is 3195289.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9715689 + 110224 = 3117^2 + 332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9825913 is a prime.

It is not a weakly prime, because it can be changed into another prime (9825953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4912956 + 4912957.

It is an arithmetic number, because the mean of its divisors is an integer number (4912957).

Almost surely, 2^9825913 is an apocalyptic number.

It is an amenable number.

9825913 is a deficient number, since it is larger than the sum of its proper divisors (1).

9825913 is an equidigital number, since it uses as much as digits as its factorization.

9825913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 37.

The square root of 9825913 is about 3134.6312382799. The cubic root of 9825913 is about 214.1859463399.

The spelling of 9825913 in words is "nine million, eight hundred twenty-five thousand, nine hundred thirteen".